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SIMULATION MODEL OF AUTONOMOUS POWER PLANT BASED ON STABILIZING VOLTAGE CONVERTERS
Kirill M. Sidorov, Moscow Automobile and Road Construction State Technical University (MADI), Moscow, Russia, k.sidorov@bk.ru
Baurzhan K. Ospanbekov, Moscow Automobile and Road Construction State Technical University (MADI), Moscow, Russia, baurzhanospanbekov@gmail.com
Aleksandr G. Grishchenko, Moscow Automobile and Road Construction State Technical University (MADI), Moscow, Russia, alex.g182@yandex.ru
Vladimir I. Stroganov, Moscow Automobile and Road Construction State Technical University (MADI), Moscow, Russia, v.stroganov-madi@mail.ru
Vladimir E. Yutt, Moscow Automobile and Road Construction State Technical University (MADI), Moscow, Russia, ioutt@mail.ru
Abstract
Improving the fuel, economic and environmental indicators of the process of generating electrical energy is an urgent problem of small-scale power generation, due to a significant share of traditional solutions based on diesel generator sets, which are not highly efficient in the overall structure of primary fuel use (including the stages of production, transportation and final transformation). At the same time, the modern development of technologies in the field of promising energy sources and power electronics contributes to the sustainable diversification of energy resources, strengthening the position of environmentally friendly renewable energy. However, the use of alternative types of fuels for variable speed engine generators, photovoltaic and wind power plants is associated with the need to use additional devices for converting electrical energy – stabilizing voltage converters. This article is devoted to issues related to the design of autonomous power systems based on these voltage converters using mathematical modeling tools. The paper describes a complex mathematical model of an autonomous power plant with a variable speed motor-generator and an electric energy storage device, presents a mathematical description of the main components of such a system, and also provides examples of the model implementation in a specialized software environment. A distinctive feature of the proposed model is an approach to modeling the operating modes of an engine-generator set, which is a synthesis of multi-parameter characteristics of an internal combustion engine, analytical expressions for energy storage and conversion systems. The presented complex model makes it possible to determine the electrical, energy and environmental indicators of autonomous power plants when the power of the electrical load changes. The article provides an example of the nature of the results obtained in computer modeling.
Keywords:Autonomous power plant, power supply, voltage converter, energy storage, simulation.
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Information about authors:
Kirill M. Sidorov, associate professor, MADI, Moscow, Russia
Baurzhan K. Ospanbekov, associate professor, MADI, Moscow, Russia
Aleksandr G. Grishchenko, senior lecturer, MADI, Moscow, Russia
Vladimir I. Stroganov, chief of the Department of Electrical Engineering and Electric Equipment, MADI, Moscow, Russia
Vladimir E. Yutt, professor, MADI, Moscow, Russia